Remarkable Power RK7530-1.75" x 4" Heavy Duty Stainless Steel Exhaust Flex Pipe 8" OL Brand New Double Braided Flex Pipe 1.75" x 4" Inlet Diameter: 1.75" / Outer Diameter: 1.88" / Flex Pipe Length: 4" Flex Pipe Total Length (including extension): 8" Directly bolt-on with no modificiation required Profession Installation highly recommended